What is #\lim _ { x \rightarrow - \infty } x ^ { 4} - 4x ^ { 3}#?

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Answer 1 · 2017-01-25T16:16:07

#\lim _ { x ->-oo} x ^ { 4} - 4x ^ { 3} = oo#
The highest degree of the polynomial function is even, and the coefficient of that term is positive.